Covid-19 positive ct scan value 6/25.

Hello doctor, My brother is Covid-19 positive as per his report of day before yesterday and he was having fever since last 10 days as per doctor we had his ct scan and chest x ray done in x ray mild infection came and in ct scan 6/25 is his ct value just want to know if any medicine is required in addition to stated below fr second opinion: Tab Azithromycin (500 mg) , Cap Doxy (100 mg) , Tab Vitamin C , Vitamin D , Tab ZINC/ZITRU/ZINCONIA (containing 50 mg Zinc), Tab IVERMECTIN 12 mg , Tab MEFTAL (500 mg) – (Stop DOLO / Paracetamol / Crocin) Tab MONTELEUCAST-LC – 1 tab daily for 10-15 days. (Stop Cetrizine / Levocetrizine) Tab RABEPRAZOL-DSR 1 tablet on empty stomach. Tab Ecosprin 75 mg – 1 tablet daily after lunch for 1 month. Tab Colchicine (0.5 mg) – 1 tab twice daily for 10 days. Then 1 tab once daily for 5 days